The Matrix Below Describes What Kind of Covariance Structure in a Multilevel

question 12

Multiple Choice

The matrix below describes what kind of covariance structure in a multilevel model? $$\left( \begin{array} { l l l l } 1 & 0 & 0 & 0 \\0 & 1 & 0 & 0 \\0 & 0 & 1 & 0 \\0 & 0 & 0 & 1\end{array} \right)$$

• A)Unstructured
• B)AR(1)
• C)Diagonal
• D)Variance components

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